Update modal text

src/registrar/admin.py

@@ -1076,6 +1076,14 @@ class DomainAdmin(ListHeaderAdmin):
     # Table ordering
     ordering = ["name"]
 
+    def changeform_view(self, request, object_id=None, form_url="", extra_context=None):
+        if extra_context is None:
+            extra_context = {}
+        # Pass in what the an extended expiration date would be
+        # for the expiration date modal
+        extra_context["extended_expiration_date"] = date.today() + relativedelta(years=1)
+        return super().changeform_view(request, object_id, form_url, extra_context)
+
     def export_data_type(self, request):
         # match the CSV example with all the fields
         response = HttpResponse(content_type="text/csv")

src/registrar/templates/django/admin/domain_change_form.html

@@ -70,8 +70,17 @@
                     Are you sure you want to extend the expiration date?
                 </h2>
                 <div class="usa-prose">
-                    <p id="modal-1-description">
+                    <p>
-                        This action will extend the expiration date by a year.
+                        This will extend the expiration date by one year.
+                    </p>
+                    <p>
+                        Domain: <b>{{ original.name }}</b>
+                        <br>
+                        New expiration date: <b>{{ extended_expiration_date }}</b>
+                        {{test}}
+                    </p>
+                    <p>
+                        <b>This action cannot be undone.</b>
                     </p>
                 </div>
         
@@ -83,7 +92,7 @@
                             class="usa-button dja-form-placeholder" 
                             name="_extend_expiration_date"
                             >
-                                Confirm
+                                Yes, extend date
                             </button>
                         </li>
                         <li class="usa-button-group__item">